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Finding the Third Proportional to 56,718 and 125,028

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Solution

The third proportional to 56,718 and 125,028 is: 275,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,718 : 125,028 = 125,028 : x
  2. Step 2: Convert to fraction form
    56,718/125,028 = 125,028/x
  3. Step 3: Cross multiply
    56,718x = 125,028 × 125,028
  4. Step 4: Simplify right side
    56,718x = 15,632,000,784
  5. Step 5: Solve for x
    x = 15,632,000,784/56,718
  6. Step 6: Final answer
    x = 275,609.17

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.